Features
Adds four industrial RS-232, RS-422 or RS-485 serial ports by connecting to a USB port
Compact size box can be mounted to DIN rail conveniently
Extension spider cable with DB37 connector to 4 DB9 serial ports
Installed as standard Windows COM port
SECC metal chassis with DIN rail bracket
Hardware/software flow control
RS-232 data signals: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS
RS-422 data signals: TxD-, TxD+, RxD+, RxD-, GND, RTS-, RTS+, CTS+, CTS-
RS-485 4-wire data signals: TxD-, TxD+, RxD+, RxD-
RS-485 2-wire data signals: Data-, Data+
Automatic transmit and receive control for 2-wire RS-485 half-duplex mode
Termination resistors and biasing resistors built on board
Operation Modes :
RS-232 Standard RS-232 Mode
RS-422 4-wire with handshaking
RS-485 4-wire full duplex
RS-485 2-wire half duplex with echo
RS-485 2-wire half duplex without echo
High speed serial port with the baud rate up to 921.6K bps
128 byte transmit FIFO & 384 byte receive FIFO
Non-standard baudrates supported
LEDs of Power, TxD and RxD for easy port monitoring and diagnostics
Serial port protected with surge protection of 10KV
Powered by USB port, no external power adapter required
Easy plug and play installation and RS-232 device connection
COM port number assigned can be changed to any COM port number required
Works with USB 1.1 & 2.0 host port
Supports Windows 7, Vista, 2003, XP, 2000 and Linux
